1. Endourology;Segura;J. Urol.,1984
2. Antegrade pyelography;Newhouse,1982
3. Complications and morbidity of endourology;Brannen;AUA Update Serie,1985
4. Percutaneous renal stone removal;Amplatz;Appl. Rad.,1983
5. The thorax in general;Hollingshead,1985